Air supported structure



FIG. 1 is a top plan view of an air supported structure of the instant invention;

FIG. 2 is a side elevation of the air supported structure;

FIG. 3 is a view taken in the direction of the arrow "3" in FIG. 1; and

FIG. 4 is a view taken in the direction of the arrow "4" in FIG. 1. 

The ornamental design for an air supported structure, as shown. 